Home / 7,119.60-10,676.10-4,158.91

Finding the Fourth Proportional to 7,119.60, 10,676.10 and 4,158.91

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Solution

The fourth proportional to 7,119.60, 10,676.10 and 4,158.91 is: 6,236.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,119.60 : 10,676.10 = 4,158.91 : x
  2. Step 2: Convert to fraction form
    7,119.60/10,676.10 = 4,158.91/x
  3. Step 3: Cross multiply
    7,119.60x = 10,676.10 × 4,158.91
  4. Step 4: Simplify right side
    7,119.60x = 44,400,967.99
  5. Step 5: Solve for x
    x = 44,400,967.99/7,119.60
  6. Step 6: Final answer
    x = 6,236.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.